Plankinton is located in South Dakota. Plankinton, South Dakota has a population of 691. Plankinton is less family-centric than the surrounding county with 22.17% of the households containing married families with children. The county average for households married with children is 31.12%.
The median household income in Plankinton, South Dakota is $53,438. The median household income for the surrounding county is $57,257 compared to the national median of $57,652. The median age of people living in Plankinton is 38.9 years.
The average high temperature in July is 86.6 degrees, with an average low temperature in January of 9.5 degrees. The average rainfall is approximately 24 inches per year, with 40.3 inches of snow per year.
